Compare 42/15 and 56/12
1st number: 2 12/15, 2nd number: 4 8/12
42/15 is smaller than 56/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
42/15 = 42 × 4/15 × 4 = 168/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
56/12 = 56 × 5/12 × 5 = 280/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/60 < 280/60 or 42/15 < 56/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15 and 56/12 42/30 and 56/12 42/15 and 56/24 42/45 and 56/12 42/15 and 56/36 42/75 and 56/12 42/15 and 56/60 42/15 and 56/84